StarTech.com Wrist Rest - Ergonomic Desk Wrist Pad - Sliding Wrist Rest for Mouse - Silver Fabric - Office Wrist Support (ROLWRSTRST) - wrist rest - TAA Compliant

Once you try this sliding wrist rest, you'll wonder how you ever got along without it. It helps to keep your wrist supported as you use your mouse, to reduce strain and enhance your comfort at work. It's the ideal ergonomics accessory.
Simply slide the desk wrist pad under your wrist anytime you use your mouse. Use it on your desk, table or sit-stand workstation. As you move your mouse, the wrist rest moves with you, providing comfort and slight cushioning. It's so light and comfortable, you'll hardly know it's there. The sliding wrist rest provides more mobility than a static product like a mouse pad wrist rest or mouse hand rest.
The innovative wrist rest features a modern disc-shaped design with a contoured, cushioned top surface that works like a wrist pillow. It gently cradles your wrist to provide support, helping to keep your wrist in a neutral position while you use your mouse. The attractive silver fabric on top and the white base complement your workstation.
Take your wrist rest with you, wherever you work. The compact design, with a 3.8" (9.6 cm) diameter, fits easily into your laptop bag.